fxsdk: add an [fxsdk script] command for misc. functions

CMakeLists.txt

@@ -96,6 +96,7 @@ target_include_directories(fxsdk-gdb-bridge PRIVATE
 # fxsdk
 install(PROGRAMS "${BIN}/fxsdk.sh" TYPE BIN RENAME fxsdk)
 install(DIRECTORY fxsdk/assets DESTINATION share/fxsdk)
+install(DIRECTORY fxsdk/scripts DESTINATION share/fxsdk USE_SOURCE_PERMISSIONS)
 install(DIRECTORY fxsdk/cmake/ DESTINATION lib/cmake/fxsdk)
 install(TARGETS fxsdk-gdb-bridge)
 # fxgxa, fxg1a

fxsdk/fxsdk.sh

@@ -332,6 +332,10 @@ fxsdk_path() {
   esac
 }
 
+fxsdk_run_script() {
+  "$PREFIX/share/fxsdk/scripts/$1" "${@:2}"
+}
+
 # Parse command name
 
 case "$1" in
@@ -368,6 +372,8 @@ case "$1" in
     fxsdk-gdb-bridge "${@:2}";;
   "path")
     fxsdk_path "${@:2}";;
+  "script")
+    fxsdk_run_script "${@:2}";;
 
   # Misc
   -h|--help|-\?)

fxsdk/scripts/large_obj.py

@@ -0,0 +1,45 @@
+#! /usr/bin/env python
+
+import os
+import sys
+import glob
+import subprocess
+import elftools.elf.elffile
+
+if len(sys.argv) != 2 or "-h" in sys.argv or "--help" in sys.argv:
+    print(f"usage: {sys.argv[0]} <FOLDER>", file=sys.stderr)
+    print("Prints sections of *.o/*.obj files in the folder, sorted by size")
+    sys.exit(1)
+
+files  = glob.glob(sys.argv[1] + "/**/*.o", recursive=True)
+files += glob.glob(sys.argv[1] + "/**/*.obj", recursive=True)
+
+prefix = os.path.commonprefix(files)
+
+def get_section_sizes(path, sections):
+    fp = open(path, "rb")
+    elf = elftools.elf.elffile.ELFFile(fp)
+
+    sizes = dict()
+    for s in sections:
+        sec = elf.get_section_by_name(s)
+        sizes[s] = 0 if sec is None else sec.data_size
+    return sizes
+
+SECTIONS = [".text", ".rodata", ".data"]
+
+DB = []
+for f in files:
+    for s, size in get_section_sizes(f, SECTIONS).items():
+        if size > 0:
+            DB.append((f, s, size))
+
+DB = sorted(DB, key=lambda triplet: triplet[2])
+
+if not len(DB):
+    print("no object files found")
+for (f, s, size) in DB:
+    print(size, s, f[len(prefix):])
+
+total = sum(size for f, s, size in DB)
+print(f"total {total} bytes counted")